Table 4 Performance comparison for... | Emerald Publishing

Table 4

Performance comparison for wavelet domain denoising of the Piece-Regular signal. The output SNR values are averaged over 100 noise realizations.

Input	Output SNR (dB)
SNR (dB)	SURE-LET	SS	SURE-SUB	ST	MPE	MPE-SUB	ITER- ℓ₁
–5.00	3.65	4.33	4.53	5.17	3.37	4.59	–0.08
–2.50	6.18	6.74	7.02	6.59	5.83	7.08	2.37
0	8.62	9.30	9.50	8.16	8.34	9.56	4.90
2.50	11.14	11.78	11.97	9.81	10.77	12.03	7.39
5.00	13.52	14.11	14.30	11.54	13.19	14.36	9.87
7.50	16.00	16.57	16.68	13.33	15.57	16.75	12.35
10.00	18.44	18.95	18.82	15.16	17.96	18.93	14.86
12.50	20.97	21.41	20.91	17.04	20.42	20.98	17.34
15.00	23.49	23.97	22.78	18.95	22.99	22.78	19.85
17.50	25.92	26.48	24.40	20.83	25.41	24.22	22.29
20.00	28.34	28.99	25.93	22.79	27.86	25.55	24.82

Input	Output SNR (dB)
SNR (dB)	SURE-LET	SS	SURE-SUB	ST	MPE	MPE-SUB	ITER- ℓ₁
–5.00	3.65	4.33	4.53	5.17	3.37	4.59	–0.08
–2.50	6.18	6.74	7.02	6.59	5.83	7.08	2.37
0	8.62	9.30	9.50	8.16	8.34	9.56	4.90
2.50	11.14	11.78	11.97	9.81	10.77	12.03	7.39
5.00	13.52	14.11	14.30	11.54	13.19	14.36	9.87
7.50	16.00	16.57	16.68	13.33	15.57	16.75	12.35
10.00	18.44	18.95	18.82	15.16	17.96	18.93	14.86
12.50	20.97	21.41	20.91	17.04	20.42	20.98	17.34
15.00	23.49	23.97	22.78	18.95	22.99	22.78	19.85
17.50	25.92	26.48	24.40	20.83	25.41	24.22	22.29
20.00	28.34	28.99	25.93	22.79	27.86	25.55	24.82